Shoemaker 1133-14X8 14"x8" Stamped Face Baseboard Return Air Grille - White 1/2" Spaced Vision-Proof Dual Angular Louvers For Strength And Maximum Free Area 1133 - 1/3" Spaced Dual Angular Louvers 1175 - Reinforced Mullions For Heavy Duty Strength Margin Edges Are 7/8" Projection For Baseboard Installation